helical coil

例句：

1. 1. The helical coils of the cable are tightly wound together.
   电缆的螺旋形线圈紧密地缠绕在一起。
2. 2.The scientist used a helical coil to guide the probe into the sample.
   科学家使用一个螺旋形线圈来引导探针进入样本。
3. 3. The helical coils of the wire are twisted together to form a tight bundle.
   电线的螺旋形线圈被扭曲在一起，形成一个紧密的束。